TY  - JOUR
A1  - Toepoel, V.
A1  - Das, M.
A1  - Van Soest, A.
T1  - Design of web questionnaires: The effects of the number of items per screen
Y1  - 2009
DO  - 10.1177/1525822X08330261
VL  - 21
IS  - 2

ER  -